Update i2c/spi drivers so they do not include "board.h". It is now clear

what all i2c/spi drivers need to compile and what was unnecessarily
included
before.

Renamed printf_config.h into build_config.h, move SOFT_I2C toggle switch
to build_config.h.

src/board.h

@@ -150,8 +150,6 @@ typedef void (* pidControllerFuncPtr)(void);                // pid controller fu
 #define BEEP_ON                  ;
 #endif
 
-#undef SOFT_I2C                 // enable to test software i2c
-
 #include "boardalignment.h"
 #include "battery.h"
 #include "math.h"

src/build_config.h

@@ -1,5 +1,7 @@
 #pragma once
 
+//#define SOFT_I2C // enable to test software i2c
+
 #ifndef __CC_ARM
 #define USE_LAME_PRINTF
 #define PRINTF_LONG_SUPPORT

src/drivers/bus_i2c.c

@@ -1,4 +1,14 @@
-#include "board.h"
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <platform.h>
+
+#include "build_config.h"
+
+#include "gpio_common.h"
+#include "system_common.h"
+
+#include "bus_i2c.h"
 
 #ifndef SOFT_I2C
 

src/drivers/bus_i2c_soft.c

@@ -1,4 +1,11 @@
-#include "board.h"
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <platform.h>
+
+#include "build_config.h"
+
+#include "gpio_common.h"
 
 // Software I2C driver, using same pins as hardware I2C, with hw i2c module disabled.
 // SCL  PB10

src/drivers/bus_spi.c

@@ -1,4 +1,11 @@
-#include "board.h"
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <platform.h>
+
+#include "gpio_common.h"
+
+#include "bus_spi.h"
 
 // SPI2 Driver
 // PB15     28      SPI2_MOSI

src/platform.h

@@ -9,7 +9,6 @@
 #define U_ID_1 (*(uint32_t*)0x1FFFF7EC)
 #define U_ID_2 (*(uint32_t*)0x1FFFF7F0)
 
-
 // Hardware definitions and GPIO
 #ifdef FY90Q
  // FY90Q

src/printf.c

@@ -34,11 +34,11 @@
 
 #include <stdarg.h>
 
+#include "build_config.h"
+
 #include "drivers/serial_common.h"
 #include "runtime_config.h"
 
-#include "printf_config.h"
-
 #include "printf.h"
 
 #ifdef PRINTF_LONG_SUPPORT

src/typeconversion.c

@@ -1,7 +1,8 @@
 #include "board.h"
 #include "mw.h"
 
-#include "printf_config.h"
+#include "build_config.h"
+
 #ifdef PRINTF_LONG_SUPPORT
 
 void uli2a(unsigned long int num, unsigned int base, int uc, char *bf)